30851 is the Postal Code/PLZ Code for Langenhagen in the Germany State of Lower Saxony and the District of Landkreis Region Hannover.
| Postal Code | 30851 |
| Postal Code Name | Langenhagen |
| State | Lower Saxony |
| District | Landkreis Region Hannover |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 30179 30419 30657 30853 30855 |